Software Engineer III, Frontend

B Capital; San Francisco (CA); Hybrid; USD 150,000 - 210,000; Full time

Benefits offered by this job

Health coverage

Paid parental leave

Generous PTO & holidays

Stock options

LinkedIn Learning access

Job summary

6sense is seeking a Software Engineer III – Frontend to join our Engineering team and build modern, scalable web applications. You will collaborate with Product Managers, UX Designers, and Backend Engineers to deliver intuitive, high-impact customer experiences while leveraging AI-powered development tools.

Responsibilities include designing, developing, testing, and maintaining React and TypeScript apps, building reusable UI components, and mentoring junior engineers in a collaborative

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 4+ years of frontend software engineering experience.
• Strong React.js, TypeScript, JavaScript, HTML5, CSS3 skills.
• Experience with Redux, Context API, or Zustand.
• Experience with REST APIs, testing frameworks, CI/CD, and AI-assisted development tools.
• Strong problem-solving, debugging, and communication skills.
• Preferred: Next.js, design systems, enterprise SaaS, Agile, full-stack experience.

Responsibilities

• Design, develop, test, and maintain React and TypeScript applications.
• Build reusable UI components and contribute to frontend architecture and design systems.
• Collaborate with Product, Design, and Backend Engineering teams.
• Optimize performance, accessibility, scalability, and responsiveness.
• Write clean, maintainable, well-tested code.
• Participate in architecture discussions, code reviews, and mentor junior engineers.
• Contribute across the full stack when needed.
• Leverage AI-powered coding assistants and agentic workflows.
• Troubleshoot production issues and drive continuous improvements.

Skills

React.js

TypeScript

JavaScript

HTML5

CSS3

Redux

Context API

Zustand

AI-assisted development tools

REST APIs

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Next.js

CI/CD

AI-powered coding assistants

Job description

About the Role

We're seeking a Software Engineer III – Frontend to join our Engineering team and build modern, scalable web applications. You'll collaborate with Product Managers, UX Designers, and Backend Engineers to deliver intuitive, high-impact customer experiences while leveraging AI-powered development tools.

What will you own

• Design, develop, test, and maintain React and TypeScript applications.
• Build reusable UI components and contribute to frontend architecture and design systems.
• Collaborate with Product, Design, and Backend Engineering teams.
• Optimize performance, accessibility, scalability, and responsiveness.
• Write clean, maintainable, well-tested code.
• Participate in architecture discussions, code reviews, and mentor junior engineers.
• Contribute across the full stack when needed.
• Leverage AI-powered coding assistants and agentic workflows.
• Troubleshoot production issues and drive continuous improvements.

What we're looking for

• Bachelor's degree in Computer Science, Engineering, or related field.
• 4+ years of frontend software engineering experience.
• Strong React.js, TypeScript, JavaScript, HTML5, CSS3 skills.
• Experience with Redux, Context API, or Zustand.
• Experience with REST APIs, testing frameworks, CI/CD, and AI-assisted development tools.
• Strong problem-solving, debugging, and communication skills.
• Preferred: Next.js, design systems, enterprise SaaS, Agile, full-stack experience.

Success in this role would look like

• Deliver high-quality, scalable frontend experiences.
• Collaborate effectively across teams.
• Drive engineering excellence and mentor peers.
• Improve performance, reliability, and user experience.
• Adopt AI-powered development to accelerate delivery.

Our Benefits

Full-time employees can take advantage of health coverage, paid parental leave, generous paid time-off and holidays, quarterly self-care days off, and stock options. We’ll make sure you have the equipment and support you need to work and connect with your teams, at home or in one of our offices.

We have a growth mindset culture that is represented in all that we do, from onboarding through to numerous learning and development initiatives including access to our LinkedIn Learning platform. Employee well-being is also top of mind for us. We host quarterly wellness education sessions to encourage self care and personal growth. From wellness days to ERG-hosted events, we celebrate and energize all 6sense employees and their backgrounds.

Equal Opportunity Employer

6sense is an Equal Employment Opportunity and affirmative action employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to [e-mail].